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Let e be the closing error in the bearing of last line of a closed traverse having No sides. Then what is the correction for the third line?

Let e be the closing error in the bearing of last line of a closed traverse having No sides. Then what is the correction for the third line? Correct Answer 3e/N

In a closed traverse in which bearings are observed, the closing error in bearing may be determined by comparing the two bearing of the last line as observed at the first and last stations of traverse. Correction for third line (3×e)/ N = 3e/ N.

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